Correct transaction management. cf. bug https://openrdf.atlassian.net/browse/SES-2295 and tomcat default management of PUT request with form data (application/x-www-form-urlencoded encoded)
<?php
return [
/*
|--------------------------------------------------------------------------
| Laravel CORS
|--------------------------------------------------------------------------
|
| allowedOrigins, allowedHeaders and allowedMethods can be set to array('*')
| to accept any value, the allowed methods however have to be explicitly listed.
|
*/
'supportsCredentials' => false,
'allowedOrigins' => ['*'],
'allowedHeaders' => ['*'],
'allowedMethods' => ['GET',],
'exposedHeaders' => [],
'maxAge' => 0,
'hosts' => [],
];